Home / 11,354.02-15,668.03-6,877.51

Finding the Fourth Proportional to 11,354.02, 15,668.03 and 6,877.51

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Solution

The fourth proportional to 11,354.02, 15,668.03 and 6,877.51 is: 9,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.02 : 15,668.03 = 6,877.51 : x
  2. Step 2: Convert to fraction form
    11,354.02/15,668.03 = 6,877.51/x
  3. Step 3: Cross multiply
    11,354.02x = 15,668.03 × 6,877.51
  4. Step 4: Simplify right side
    11,354.02x = 107,757,011.03
  5. Step 5: Solve for x
    x = 107,757,011.03/11,354.02
  6. Step 6: Final answer
    x = 9,490.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.